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Visualizaiton workshop at UBC B.I.G. Research Day. 11 May 2016


art + science activism

Watch the video of this project, which features the participants who have a BRCA mutation and their interaction with the piece. The video also highlights the design and construction of the mural.

Martin Krzywinski @MKrzywinski mkweb.bcgsc.ca
Science and art and personal stories of cancer survivors combine into this beautiful depiction of the complexity and individuality of the genome. (Free the Data)

Human Genome Art by Humans with Genomes

I recently took part in a deeply meaningful collaboration of science, art and personal stories of cancer survivors.

Together with Joanna Rudnick and Aaron De La Cruz, we sought to create a work of art that combines the science of cancer genomics and the individuals whose lives are affected by genetic mutations in the BRCA1 and BRCA2 genes, where genomic changes drastically increase one's chances of breast and ovarian cancer.

We wanted to make something that is scientifically accurate, artistically beautiful and emotionally engaging. The complexity of the genome, the multitudes of other genes and possible mutations and the millions of personal stories of hardship and survival were just a few of the elements we wanted to include the the piece.

My role was to provide the scientific direction behind the design and incorporate it into the aesthetic of Aaron De La Cruz, a street artist from San Francisco whose work echoes information, complexity, interaction and continuity. We all have a genome — a different genome. The ways in which our genomes are different is what gives us traits like hair and eye color, but is also what makes some of us predisposed to diseases like cancer.

The mural, which includes elements drawn by the cancer survivors, is part of the Free the Data campaign, which is advocating for an open access model of genome mutation databases so that scientists everywhere can analyze it and help women make informed choices about their breast-cancer risk.

The piece Importance of Data Sharing by Nature Methods illustrated the point:

Imagine you are a physician or researcher and seek to get more confirmation on the clinical impact of particular genetic variants. If your search of public databases comes up empty this does not necessarily mean that nothing is known about the mutations in question. Rather, the information may be locked away as a trade secret in a genetic testing company’s proprietary database.

The New York Times article DNA Project Aims to Make Public a Company’s Data on Cancer Genes captures the current state of the situation.

The mural was constructed on location at InVitae in San Francisco.

A video of the project is available.

Beautiful, meaningful and personal

This work will be, as far as I know, the first human annotation of mutations in the human genome by humans whose genomes have the mutations. That's quite a term!

I've always been mindful of the necessity of the mingling of art and science. In my work I tried to add things I felt about the science I thought to create work that combines our objective understanding of the world we live in with the subjective experience of living in it. This project, by far, has been the most keenly felt.

Martin Krzywinski @MKrzywinski mkweb.bcgsc.ca
Adding emotion, keeping the science. (Free the Data)

the design

The mural was created in San Francisco on Saturday, July 13th, 2013. We are starting with a 11' x 6' wood canvas. These dimensions reflect the ratio of lengths of BRCA1 and BRCA2 proteins (1,863 and 3,418 amino acids, respectively)

Martin Krzywinski @MKrzywinski mkweb.bcgsc.ca
The canvas aspect ratio reflects the ratio of BRCA1 and BRCA2 protein lengths. The proteins are represented on the canvas as lines. (Free the Data)

The BRCA1 and BRCA2 proteins are drawn on the canvas as straight-line sections.

Martin Krzywinski @MKrzywinski mkweb.bcgsc.ca
The genes are depicted on the canvas as their protein products. (Free the Data)

The locations of the participants mutations are positioned on the protein lines as circles. For individuals with large deletions, the circle is placed at the first affected amino acid. Because BRCA1 is location on the opposite strand (anti-sense), its start on the canvas is on the right.

Martin Krzywinski @MKrzywinski mkweb.bcgsc.ca
11 mutations, one for each of the cancer previvor and survivor participants, are placed on the protein lines as circles. The start of BRCA1 is on the right to reflect that this gene is on the anti-sense strand. (Free the Data)

The rest of the genome is now drawn. Aaron's style is perfect for depicting information and the endless complexity of the genome and its interacting elements. We were careful to include elements that indicate that the story told today is not complete. Millions of others have mutations in thousands of other genes, each potentially life-threatening. Just as the stories of our participants will continue to evolve, other stories are waiting to be told.

Martin Krzywinski @MKrzywinski mkweb.bcgsc.ca
BRCA1 and BRCA2 proteins and their mutations, together with the rest of the genome. Other lines and circles hint at other genes, other mutations, as well as the biochemical interactions in the cells and personal interactions of those affected by the mutations. (Free the Data)

Once the "reference" genome is depicted, participants with BRCA1 and BRCA2 mutations will complete the art work by individually marking the positions of their mutations on the art using personalized colors. With Aaron's help, everyone created their own color by mixing primary colors.

Martin Krzywinski @MKrzywinski mkweb.bcgsc.ca
Participants fill in their mutation circles with their personalized color. (Free the Data)

From base pair, to genome, to person, to life. All it takes is one tiny change in the genome to change a life forever.

Martin Krzywinski @MKrzywinski mkweb.bcgsc.ca
The mutations of 11 people in the vastness of the genome. What's your story? (Free the Data)

creation of free the data mural

The BRCA1 and BRCA2 lines were placed on the canvas by first pinning two pieces of string, marked with the positions of the mutations.

Martin Krzywinski @MKrzywinski mkweb.bcgsc.ca
String was used to mark the placing of lines and mutations. (Free the Data)

After drawing the protein lines, it was time to fill the canvas.

Martin Krzywinski @MKrzywinski mkweb.bcgsc.ca
Aaron De La Cruz creating the art work. Here, he is filling the space in the canvas around the BRCA1 and BRCA2 segments with his design. The project was shot with a Red Camera—this is a sequence from its render application. (Free the Data)

Over the next 4 hours, Aaron filled in the canvas with the "rest" of the genome.

Martin Krzywinski @MKrzywinski mkweb.bcgsc.ca
Aaron De La Cruz creating the art work. Here, he is filling the space in the canvas around the BRCA1 and BRCA2 segments with his design. The project was shot with a Red Camera—this is a sequence from its render application. (Free the Data)

Participants

Lucy, Karen, Steve, Ghecemy, Joanna, Jill, Lisa, Lynn, Ruth, Jenica, Susan

Cancer previvors and survivors who have been diagnosed with a mutation on BRCA1 or BRCA2 genes.

Joanna Rudnick (director/producer)

Joanna made her directorial debut with the Emmy-nominated In the Family, a deeply personal film about coming to terms with testing positive for the breast cancer gene BRCA1 mutation and following the storylines of other women and families facing the same hard choices. In the Family premiered at Silverdocs in 2008, was broadcast nationally on PBS P.O.V. the same year and was a finalist for the NIHCM Foundation’s Health Care Radio and Television Journalism Award.

Joanna received a master’s degree in Science and Environmental Journalism from New York University and a bachelor’s degree in English from Northwestern University. Joanna loves the opportunity to teach and mentor and served as an adjunct professor at Northwestern University’s Medill School of Journalism in the past.

She has written for several publications including Audubon Magazine, The Artful Mind, The Berkshire Record and Humanities. Before finding her way to the wonderful world of documentaries, Joanna served as an Americorps volunteer, implementing project-based environmental curricula in the San Francisco Public School System.

Joanna is one of the cancer survivors whose mutations are encoded in the art.

http://kartemquin.com/about/joanna-rudnick

Aaron De La Cruz (artist)

Aaron De La Cruz's work, though minimal and direct at first, tends to overcome barriers of separation and freely steps in and out of the realms of design, graffiti, and illustration.

The parameters he has chosen to work within actually allow him to free himself and react to the very limitations he has created. This overriding structure and the lack of deliberation while moving within creates a tension when encountering his work due to the almost computer generated grid like systems he creates by unplanned markmaking. The act and the marks themselves are very primal in nature but tend to take on distinct and sometimes higher meanings in the broad range of mediums and contexts they appear in and on.

Martin Krzywinski @MKrzywinski mkweb.bcgsc.ca
Work by Aaron De La Cruz. (Aaron De La Cruz)

His work finds strengths in the reduction of his interests in life to minimal information. De La Cruz gains from the idea of exclusion, just because you don't literally see it doesn't mean that its not there.

http://www.aarondelacruz.com

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news + thoughts

Analyzing Outliers: Influential or Nuisance?

Fri 08-04-2016

Some outliers influence the regression fit more than others.

This month our column addresses the effect that outliers have on linear regression.

You may be surprised, but not all outliers have the same influence on the fit (e.g. regression slope) or inference (e.g. confidence or prediction intervals). Outliers with large leverage—points that are far from the sample average—can have a very large effect. On the other hand, if the outlier is close to the sample average, it may not influence the regression slope at all.

Martin Krzywinski @MKrzywinski mkweb.bcgsc.ca
Nature Methods Points of Significance column: Analyzing Outliers: Influential or Nuisance? (read)

Quantities such as Cook's distance and the so-called hat matrix, which defines leverage, are useful in assessing the effect of outliers.

Background reading

Altman, N. & Krzywinski, M. (2015) Points of Significance: Multiple Linear Regression Nature Methods 12:1103-1104.

Altman, N. & Krzywinski, M. (2015) Points of significance: Simple Linear Regression Nature Methods 12:999-1000.

...more about the Points of Significance column

Typographical posters of bird songs

Mon 28-03-2016

Chirp, chirp, chirp but much better looking.

Martin Krzywinski @MKrzywinski mkweb.bcgsc.ca
The song of the Northern Flicker, Black-capped Chickadee, Olive-sided Flycatcher and Red-eyed Vireo. Sweet to the eye and ear. (details)

If you like these, check out my other typographical art posters.

Happy 2016 Pi Day—gravity of `\pi`

Mon 14-03-2016

Celebrate `\\pi` Day (March 14th) with colliding digits in space. This year, I celebrate the detection of gravitational waves at the LIGO lab and simulate the effect of gravity on masses created from the digits of `\\pi`.

Martin Krzywinski @MKrzywinski mkweb.bcgsc.ca
1,000 digits of `\pi` under the influence of gravity. (details)

Some strange things can happen.

Martin Krzywinski @MKrzywinski mkweb.bcgsc.ca
44 digits of `\pi` under the influence of gravity. (details)

The art is featured in the Gravity of Pi article on the Scientific American SA Visual blog.

Check out art from previous years: 2013 `\\pi` Day and 2014 `\\pi` Day and 2015 `\\pi` Day.

Neural Circuit Diagrams

Sun 13-03-2016

Use alignment and consistency to untangle complex circuit diagrams.

This month we apply the ideas presented in our column about drawing pathways to neural circuit diagrams. Neural circuits are networks of cells or regions, typically with a large number of variables, such as cell and neurotransmitter type.

Martin Krzywinski @MKrzywinski mkweb.bcgsc.ca
Nature Methods Points of View column: Neural circuit diagrams. (read)

We discuss how to effectively route arrows, how to avoid pitfalls of redundant encoding and suggest ways to encorporate emphasis in the layout.

Hunnicutt, B.J. & Krzywinski, M. (2016) Points of View: Neural circuit diagrams. Nature Methods 13:189.

background reading

Hunnicutt, B.J. & Krzywinski, M. (2016) Points of Viev: Pathways. Nature Methods 13:5.

Wong, B. (2010) Points of Viev: Gestalt principles (part 1). Nature Methods 7:863.

Wong, B. (2010) Points of Viev: Gestalt principles (part 2). Nature Methods 7:941.

...more about the Points of View column

Pathways

Mon 04-01-2016

Apply visual grouping principles to add clarity to information flow in pathway diagrams.

We draw on the Gestalt principles of connection, grouping and enclosure to construct practical guidelines for drawing pathways with a clear layout that maintains hierarchy.

Martin Krzywinski @MKrzywinski mkweb.bcgsc.ca
Nature Methods Points of View column: Pathways. (read)

We include tips about how to use negative space and align nodes to emphasizxe groups and how to effectively draw curved arrows to clearly show paths.

Hunnicutt, B.J. & Krzywinski, M. (2016) Points of Viev: Pathways. Nature Methods 13:5.

background reading

Wong, B. (2010) Points of Viev: Gestalt principles (part 1). Nature Methods 7:863.

Wong, B. (2010) Points of Viev: Gestalt principles (part 2). Nature Methods 7:941.

...more about the Points of View column